(announcer) ask your doctor how to help treat osteoporosis with once-a-month actonel. actonel is clinically proven to help reverse bone loss and can help increase bone strength to help prevent fractures. so you can get back some of what you lost. do not take actonel if you have low blood calcium, severe kidney disease, or cannot sit or stand for 30 minutes. follow all dosing instructions. stop taking actonel and tell your doctor if you experience difficult or painful swallowing, chest pain or severe or continuing heartburn. these may be signs of serious upper digestive problems. promptly tell your doctor if you develop severe bone, joint or muscle pain, or if you develop dental problems,